package com.ecp.util;

public class StringUtil {
	public static String getClearString(String str) {
		String result = "";
		char[] chars = str.toCharArray();
		for (int i = 0; i < chars.length; i++) {
			if ((chars[i] >= 19968 && chars[i] <= 40869) || (chars[i] >= 97 && chars[i] <= 122)
					|| (chars[i] >= 65 && chars[i] <= 90)) {
				result += chars[i];
			}
		}
		return result;
	}
}
